Normal Crash Immediate Time Normal Time Crash Activity Predecessor(s) (weeks) Cost (weeks) Cost A none 10 $16,000 8 $20,000 B none 4 6,000 3 9,000 C А, В 12,000 24,000 6 3 D A 7 7,000 5 10,000 E В 14 28,000 12 34,000 F C, D, E 4,500 3 4,500 G F 4 7,200 3 9,000 H F 2 5,000 2 5,000 I F 15,000 4 18,000 J H, I 2 7,000 2 7,000 K J 5 10,000 4 11,000 K 10 24,000 10 24,000

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question

If the company wants to complete the project in 40 weeks,
which activities should be crashed? Calculate the additional cost
incurred to complete the project in 40 weeks.

Normal
Crash
Immediate
Time Normal
Time
Crash
Activity Predecessor(s) (weeks) Cost (weeks) Cost
A
none
10
$16,000
8
$20,000
B
none
4
6,000
3
9,000
C
А, В
12,000
24,000
6
3
D
A
7
7,000
5
10,000
E
В
14
28,000
12
34,000
F
C, D, E
4,500
3
4,500
G
F
4
7,200
3
9,000
H
F
2
5,000
2
5,000
I
F
15,000
4
18,000
J
H, I
2
7,000
2
7,000
K
J
5
10,000
4
11,000
K
10
24,000
10
24,000
Transcribed Image Text:Normal Crash Immediate Time Normal Time Crash Activity Predecessor(s) (weeks) Cost (weeks) Cost A none 10 $16,000 8 $20,000 B none 4 6,000 3 9,000 C А, В 12,000 24,000 6 3 D A 7 7,000 5 10,000 E В 14 28,000 12 34,000 F C, D, E 4,500 3 4,500 G F 4 7,200 3 9,000 H F 2 5,000 2 5,000 I F 15,000 4 18,000 J H, I 2 7,000 2 7,000 K J 5 10,000 4 11,000 K 10 24,000 10 24,000
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